import {
	mapGetters
} from 'vuex'

export default {
	computed: {
		...mapGetters('m_cart', ['total']),
	},

	onShow() {
		this.setBadge()
	},

	methods: {
		setBadge() {
			if(this.total === 0) {
				uni.removeTabBarBadge({
					index: 2
				})
				return
			}
			
			uni.setTabBarBadge({
				index: 2,
				text: this.total + '',
			})
		},
	},

	watch: {
		total() {
			this.setBadge()
		},
	},
}
